Steam-separator



2 Sheets-Sheet `1.

5N@ Modelf C. J. MELLIN.

STEAM SEPARATOR Patented May 29, 1894.

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INVENT'R WITNEEEEE (No Model.) 2 Sheets-Sheet 2. C. J. MELLIN.

STEAM SEPARATOR.

Patented May 29 llllli IN VE T u R L LIYHOQRAP ma ce PANY.

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UNITED STATES Piifrniwr Ormes.

CARL JOHAN MELLIN, OF RICHMOND, VIRGINIA.

STEAM-SEPARATOR.

SPECIFICATION forming part of Letters Patent No. 520,604, dated May 29, 1894;

Application tiled August l0, 1892. Serial No. 442:734- (NO 11105910 To a/ZZ whom it may concern:

Be it known that I, CARL JOHAN MELLIN, a subJect of the King of Sweden and Norway, and a resident of Richmond, in the county of Henrico and State of Virginia, have invented certain new and useful Improvements in Steam-Separators, of which the following is a specification.

My invention relates to steam separators for use 1n locomotive boilers and consists in thelmproved constructions an d arrangements of apparatus in connection with vertical balanced valves hereinafter described for facilirating the separating of the water from the liaam esctpiicigtlhrough the valve reference ingmae o eaccom n'fr 'U in Which pa ying drawings,

Figure 1, is a sectional elevation of the valve and separating appliances in one of the modes of construction which I propose, the steam dome of the boiler is also represented in sectional elevation in this figure. Fig. 2, is a side elevation of the valve and separator appliances of Fig. 1, in a view at right angles to that of Fig. 1. Fig. 3, is a sectional elevation of the valve and separator appliances, with some modifications. Fig. 4, is a side elevation of the Valve and separator appliances of Fig. 3, in a view at right angles to that of said ligure. Fig. 5, is a sectional elevation of the valve and separator appliances with other modifications. Figs. 6, 7, and 8, are also sectional elevations showing modifications. Fig. 9,1s.a horizontal section of Fig. 7 on line y y. I Fig. 10 is partlya plan view and partly a horizontal section of the valve and separator appliances of Fig. 8. Figs. 11 and 12, are respectively vertical and horizontal sections of a check valve in the waste pipe as in Fig. 7, for the escape of the separated water, to prevent suction of the steam into the separator through the waste pipe.

a, represents the upper and a', the lower Valve seats surrounding the openings of the valve, admitting steam into the pipe b.

c represents the upper and c', the lower disks of the valve for closing said openings, these parts and their body or connecting part d, being hereinafter called the valve. l To each valve opening there is a separatlng cup, as cup e, to the upper opening, and cup f, to the lower opening through which the steam enters and in which the water is separated, said cups and other separating appliances being represented in Various modifications in the dierent figures. The cups are clamped to the upper and lower sides of the steam pipe h,surrounding the steam openings into it by the bolts g. In Fig. 5 steam enters the lower cup f, at h, independently of the upper cup and is separated from the water therein through the receptacle i', into which the water projects or falls away from the steam and is trapped by the disk i', and thence escapes by the waste pipej, which is to be extended into the water sufficiently below the steam space to prevent steam rising in it, and will in some cases have a check valve as k, Figs. 7, 11 and 12, for more effectually preventing the steam from passing upward which would hinder the escape of the water, particularly before sufficient water is collected in the separator to prevent such return. Iny the rest of the figures the arrangements are such that steam enters the upper cup for both/valve openings and is therein separated from the Water by the receptacle l or m, into which it is deiected and from which it escapes through another waste pi pe j, or through the valve having the center passage n, to chamber o, or o', and thence by one or more waste pipes j, and part of the steam passes down to the lower opening either in the cups which are made to connect with each other and form a passage p for the steam partly surrounding the end of pipe h, as in Figs. l and 8, or through a passage q, in the body of the valve as in Figs. 3, 6 and 7. In Figs. Vl, 6 and 8 the lower cup is provided with separators for again separating the water, but they may be omitted as in Figs. 3 and 7 if preferred; the separators in the lower cups of Figs. 1 and 8, are the same as that of Fig. 5, previously described, but in Fig. 6, the cup has a false bottom s, through which is a central passage t, down which the water flows along the surface ot' the valve stem u, passing through it into chamber o', the steam being deiected therefrom by the flange i), said chamber o', alsol having a waste pipe j, and the stem it of the valve having the center passage fn, for the escapek of the water separated in receptacle m,-is also provided with lateral passages w, for the escape of the water into chamber o. ',Ihe valve stein u,

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extends through the bottom of the cup and recelves the rod connecting it with the bell crank lever y, by which it is worked. In those cases in which the steam enters the lower opening through the cup or cups, the lower cups are of larger diameter and. the lower one 1s fitted with ribs z, bearing against the pipe ZJ to seat the cup thereon, but in the other cases the lower cup has its upper edge bearlng against the pipe as at z Figs. 3, 6 and 7.

In the arrangements of Figs. 3, 6 and 7 for the passage of the steam to the lower valve opening through the valve, the valve openings and valve are necessarily somewhat larger in diameter than in the other way to provide space for such passage.

The cup e, is seated on the top of the pipe b, at y', and has a central opening cc', through the top admitting the steam onto the outwardly deiiecting plate w', which by directing the steam against the downwardly curved inner surface o', of the cup causes the water to be projected into the receptacle Z, while the steam passes into the valve from which the water is excluded by the flange Z', this operation being facilitated by the curved guide chutes uf', projecting downward from the top of the cup e inside, which it may sometimes be preferred to use for imparting spiral motion of the steam and causing centrifugal action of the water more eectually depositing it in the receptacle Z, to which may also be added the lateral spiral inlets t', through the side of the cup below the top when desired for greater spiral action of the steam. But with the receptacle m before described for the separated water another form of deector consisting of the cup shaped device cu2, may be used, the top of which eX- tends up through the opening in the top of the cup e, and is flared outwardly over the top of the cup, with the re-entering curved shape at s', adapted to project the water into the receptacle m, while the steam passes over the upper edge of said receptacle to the upper opening of the Valve and to the passage q, tending to the lower opening. The deflector w', is a fixed part of the cup e and is bored centrally at q, and the upper disk of the valve works up and down in said bore as a piston preventing the steam from passing that way to the valve. The cup w2,is seated on ribs p', in the receptacle m, and said receptacle is seated by lugs 0', and ribs o2, on

and is bolted to the upper valve disk, and

they move together with the valve.

In Figs. 3 and 4E, I represent a conic plate s', attached to the upper cup e, near the top and sloping downward outwardly which constitutes a water shed on which much steam will impinge when owing into the valve and much water will collect and iow back into the steam space below, this is more particularly useful in connection with the deflecting cup wz, flaring over the top of cup e, which causes the inow of the steam along the surface of said water shed. The waste pipes j,

may have any approved form of automatic injector or ejector attached for drawing off the separated water, for example such as described in my former patent, No. 424,013, granted March 25, 1890.

l. The combination with a vertical valve having upper and lower openings, of a duplex steam separator inclosing both upper and lower openings, with independent separating devices to each opening substantially as described.

2. The combination with a vertical valve having upper and lower openings, of a steam separator consisting essentially of the upper and lower cups clamped on theV steam pipe, and inclosing the valve openings, one or more receptacles therein of the water deflected out of the course of the steam ways to the valve openings, and the escape pipe or'pipes connected therewith substantially as described.

3. The combination with a vertical valve having'upper and lower openings, of asteam separator consisting essentially of the upper and lower cups clamped on the steam pipes and inclosing the valve openings, a passage conducting the steam from the upper cup into the lower one for the lower valve opening, and one or more receptacles therein, of the water deliected out of the steam ways to the valve openings and the escape pipe or pipes connected therewith.

4. The combination with a vertical valve having upper and lower openings, of a steam separator consisting essentially of the upper and lower cups clamped on the steam pipe and inclosing the valve openings, a passage through the valve conducting the steam from the upper cup into the lower one for the lower Valve opening, and one or more receptacles therein of the water deflected out of the steam ways to the valve openings, and the escapefpipe or pipes connected therewith substantially as described.

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5. The combination with a vertical valve having upper and lower openings, Vof the cup inclosing the upper opening and admitting the steam through the holein the top to the upper end of the valve, and the deecting plate above the steam ways to the valve opening, said plate and the valve adapted for the rise of the valve without hinderance by the said plate substantially as described.

6. The combination with a vertical valve having upper and lower openings, of asteam separator consisting essentially of the upper and lower cups clamped on the steam pipe and inclosing the valve openings, a passage through the valve for the escape ofthe separated water, the cup shaped deector flared over the top of A the separator cup, and the water receptacle at the base of the same and discharging through the valve substantially as described.

7. The combination with the vertical valve upper and lower cups clampedon the steam lecting shed with the inlet passage for the pipe and inclosing the Valve openings, the steam to the valve, and the cup deflector Valve having an opening through it for the ared over the top of the said inlet substan- I5 steam to the lower opening, the Water receptially as described.

5 tacle mounted on and fastened to the top of Signed at Richmond, in the county of Henthe valve, and having the Water passage rico and State of Virginia, this 9th day of through the steam passage of the Valve, and January, A. D. 1892. the cup deector mounted on the Water receptacle said valve attached to the valve stem CARL JOHAN MELUN xo by the cup detiector and Water receptacle sub- Witnesses:

stantially as described. VJ. M. PICKRELL,

8. The combination of the eonic water col- WM. H. TAYLOR. 

